严重的肝功能损害,导致以意识改变和昏迷为主的一系列神经精神症状者,称为“肝昏迷”或“肝性脑病”。这一征候群多与门静脉阻塞及门-体循环短路有关,故亦有“门脉系脑病”或“门-体性脑病”之称。肝昏迷病人有血氨增高和不增高两类,前者称为“氮性昏迷”,多见于慢性肝衰,如门脉性肝硬化等;后者称为“非氮性昏迷”主要见于急性肝衰,如暴发性肝炎等。 Serious damage to liver function, leading to a series of changes in consciousness and coma-based neuropsychiatric symptoms, known as “hepatic coma” or “hepatic encephalopathy.” This syndrome and portal vein occlusion and the door - the systemic circulation short circuit, it also has “portal vein encephalopathy” or “door - encephalopathy,” said. Hepatic coma patients have increased blood ammonia and does not increase the two types, the former known as “nitrogen coma”, more common in chronic liver failure, such as portal cirrhosis; the latter known as “non-nitrogen coma” mainly seen in acute liver Bad, such as fulminant hepatitis and so on.